Finding the Fourth Proportional to 242,386.43, 363,631.74 and 120,873.18
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Solution
The fourth proportional to 242,386.43, 363,631.74 and 120,873.18 is: 181,335.75
Step by Step Solution
- Step 1: Write the proportion equation
242,386.43 : 363,631.74 = 120,873.18 : x - Step 2: Convert to fraction form
242,386.43/363,631.74 = 120,873.18/x - Step 3: Cross multiply
242,386.43x = 363,631.74 × 120,873.18 - Step 4: Simplify right side
242,386.43x = 43,953,324,762.73 - Step 5: Solve for x
x = 43,953,324,762.73/242,386.43 - Step 6: Final answer
x = 181,335.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.